The ‘Slammer’ Turned Aircraft Rockets Into Ground-Based Artillery
War Is Boring

I suppose if the air space is permissive enough to get this kind of kit into the battle-space, then it is permissive enough to have it carried on a helicopter/plane.

However it is interesting nonetheless.

Turkish defence firm Rokestan still make this kind of product.

Coupled to a vehicle as per this jpeg, you have a fast moving hard hitting complement to a paratroop company